Learn and Master C Programming - Using 'strstr' to search for a substring inside another string

The video tutorial covers the use of string search functions, focusing on STRSTR for finding substrings within strings. It explains the case sensitivity of these functions and demonstrates how to implement and test a word count function that counts occurrences of a word in a string. The tutorial concludes with a summary of the function's applications.

How can you modify the code to count the occurrences of a word in a string?

What is the significance of checking for null values in the string and word parameters?

Discuss the loop structure used to count occurrences of a word in the string.